Finding the Fourth Proportional to 88,938,230.40, 133,407,345.60 and 58,425,643.80
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Solution
The fourth proportional to 88,938,230.40, 133,407,345.60 and 58,425,643.80 is: 87,638,465.70
Step by Step Solution
- Step 1: Write the proportion equation
88,938,230.40 : 133,407,345.60 = 58,425,643.80 : x - Step 2: Convert to fraction form
88,938,230.40/133,407,345.60 = 58,425,643.80/x - Step 3: Cross multiply
88,938,230.40x = 133,407,345.60 × 58,425,643.80 - Step 4: Simplify right side
88,938,230.40x = 7,794,410,054,329,097 - Step 5: Solve for x
x = 7,794,410,054,329,097/88,938,230.40 - Step 6: Final answer
x = 87,638,465.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.